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Video: Excavation Reveals Flute Casts on Clastic Dike Walls

Excavation of Late Pleistocene clastic dikes in the Columbia River Basin reveals the presence of flute casts with upward pointing noses. Flute casts are directional indicators of flow and scour by sediment-laden water. The vertically-oriented flute casts shown here indicate these features were filled from the top.

See the YouTube video here: Please consider giving a few bucks to help fund our research into these unique sedimentary features. Find us on > New Method for Counting the Missoula Floods.

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